| Name | Meaning | Gender | Origin |
| Janene | Variant of Jeannine. | F | English |
| Janet | God's gracious gift | F | English |
| Janetta | Variant of Janet: God has been gracious. A feminine form of John. | F | English |
| Janette | God is Gracious | F | French |
| Janey | Diminutive of Jane: Jehovah has been gracious Jehovah has shown favour. A Feminine form of John. Variant of Joan. From the Old French Jehane. | F | English |
| Jani | Finnish form of John. | M | Finnish |
| Jania | God is Gracious | F | Polish |
| Janica | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | Czechoslovakian |
| Janice | God is Gracious | F | Hebrew |
| Janicia | Variant of Jane. | F | English |
| Janie | Diminutive of Jane: Jehovah has been gracious Jehovah has shown favour. A Feminine form of John. Variant of Joan. From the Old French Jehane. | F | English |
| Janiece | Variant of Jane. | F | English |
| Janina | Form of JANE | F | Polish |
| Janine | From the name JANE | F | American |
| Janis | God has been gracious. A feminine form of John. Famous Bearer: American singer Janis Joplin. | F | English |
| Janise | Variant of Jane. | F | English |
| Janita | Gift from God. | F | Hebrew |
| Janka | Gift from God. | F | Hebrew |
| Jankia | Gift from God. | M | Hebrew |
| Janko | Gift from God. | M | Hebrew |
| Janna | God is Gracious | F | Slavic |
| Jannae | Modern name based on Jane or Jean; Based on Janai meaning 'God has answered. '. | F | English |
| Jannah | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | Czechoslovakian |
| Jannalee | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | Czechoslovakian |
| Jannat | Heaven. Garden. | F | Muslim |
| Janne | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | Czechoslovakian |
| Jannes | Who speaks or answers/ afflicted/ poor. | F | Biblical |
| Jannet | Variant of Jane; from the French Jeanette. | F | Scottish |
| Janneth | Variant of Jane; from the French Jeanette. | F | Scottish |
| Jannie | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | Czechoslovakian |
| Jannina | Variant of Jeannine. | F | English |
| Jannis | Variant of Jane. | F | English |
| Janny | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | Czechoslovakian |
| Janos | Variant of the Hebrew John: Jehovah has been gracious; has shown favor. | M | Czechoslovakian |
| Jans | Gift from God. | F | Hebrew |
| Jansen | Variant of the Hebrew John 'Jehovah has been gracious; has shown favor.'. | M | Dutch |
| Jansje | Gift from God. | F | Hebrew |
| Janson | son of Jan | M | Scandinavian |
| Jantis | Sharp spear. | M | German |
| Jantje | Gift from God. | M | Hebrew |
| Jantzen | Variant of the Hebrew John Jehovah has been gracious; has shown favor. | M | Danish |
| Januarius | Born in January. | M | Polish |
| January | Born in January | F | American |
| Janus | God of Beginnings | E | Latin |
| Janyd | Variant of the French name Gervaise 'spearman.'. | M | English |
| Janyl | Blend of Jar and Darell. See also Jerrell. | M | English |
| Japhet | Enlarged/ fair/ persuading. | F | Biblical |
| Japheth | He Expands | M | Hebrew |
| Japhia | Enlightening/ appearing. | M | Biblical |
| Japhlet | Delivered/ banished. | M | Biblical |